640375866

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2053}}^1$

素因数の和:2148

約数の個数: 96

約数和(自身を含む): 1579049472

約数和(自身を除く): 938673606

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 43, 62, 78, 86, 93, 117, 129, 186, 234, 258, 279, 387, 403, 558, 559, 774, 806, 1118, 1209, 1333, 1677, 2053, 2418, 2666, 3354, 3627, 3999, 4106, 5031, 6159, 7254, 7998, 10062, 11997, 12318, 17329, 18477, 23994, 26689, 34658, 36954, 51987, 53378, 63643, 80067, 88279, 103974, 127286, 155961, 160134, 176558, 190929, 240201, 264837, 311922, 381858, 480402, 529674, 572787, 794511, 827359, 1145574, 1147627, 1589022, 1654718, 2295254, 2482077, 2736649, 3442881, 4964154, 5473298, 6885762, 7446231, 8209947, 10328643, 14892462, 16419894, 20657286, 24629841, 35576437, 49259682, 71152874, 106729311, 213458622, 320187933, 640375866]

約数ペア:

[(1, 640375866), (2, 320187933), (3, 213458622), (6, 106729311), (9, 71152874), (13, 49259682), (18, 35576437), (26, 24629841), (31, 20657286), (39, 16419894), (43, 14892462), (62, 10328643), (78, 8209947), (86, 7446231), (93, 6885762), (117, 5473298), (129, 4964154), (186, 3442881), (234, 2736649), (258, 2482077), (279, 2295254), (387, 1654718), (403, 1589022), (558, 1147627), (559, 1145574), (774, 827359), (806, 794511), (1118, 572787), (1209, 529674), (1333, 480402), (1677, 381858), (2053, 311922), (2418, 264837), (2666, 240201), (3354, 190929), (3627, 176558), (3999, 160134), (4106, 155961), (5031, 127286), (6159, 103974), (7254, 88279), (7998, 80067), (10062, 63643), (11997, 53378), (12318, 51987), (17329, 36954), (18477, 34658), (23994, 26689)]